Inventor

Yasuo Imamura

Inventor
Omuta, JP

Overview

18→
Patents
1981–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C04Bprimary
C04BLime, magnesia15%
C23CCoating metallic material10%
H01JElectric discharge tubes or discharge lamps10%
C21DModifying the physical structure of ferrous metals8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
C01BNon-metallic elements5%
B01DSeparation3%
B21BRolling of metal3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to NISSHIN STEEL CO LTD (3)· patent assignee history
1981–1982Based in Urawa, JP· patent location history
1990–2009Patents assigned to DENKI KAGAKU KOGYO KK (7)· patent assignee history
1990–1999Based in Omuta, JP· patent location history
1995–1997Patents assigned to TOKYO ELECTRON LTD (3)· patent assignee history
1995–1997Based in Yokohama, JP· patent location history
2003–2016Patents assigned to DENSO CORP (3)· patent assignee history
2003–2016Based in Kariya, JP· patent location history
2009Based in Tokyo, JP· patent location history
2015–2016Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENKI KAGAKU KOGYO KK71990–2009
DENSO CORP32003–2016
NISSHIN STEEL CO LTD31981–1982
TOKYO ELECTRON LTD31995–1997
TOYOTA MOTOR CO LTD22015–2016
Locations
LocationPatentsSpan
Omuta, JP61990–1999
Kariya, JP32003–2016
Yokohama, JP31995–1997
Urawa, JP31981–1982
Tokyo, JP12009